On GNU/Linux systems, Quality of service can be set and managed with the tc command. According to wikipedia tc (traffic control) is the user-space utility program used to configure the Linux kernel packet scheduler. We will see in this article, some simples examples to show how can we use it.
root@host:~# ip link set dev ifb0 down
root@host:~# tc qdisc del dev eth0 root
root@host:~# tc qdisc del dev ifb0 root
root@host:~# tc qdisc del dev eth0 ingress
root@host:~# tc qdisc del dev ifb0 ingress
root@host:~# modprobe ifb numifbs=1
root@host:~# ip link set dev ifb0 up
root@host:~# tc qdisc add dev eth0 ingress handle ffff:
root@host:~# tc filter add dev eth0 parent ffff: protocol all u32 match u32 0 0 action mirred egress redirect dev ifb0
root@host:~# tc qdisc add dev ifb0 root handle 2: htb default 1
root@host:~# tc class add dev ifb0 parent 2: classid 2:1 htb rate 8000kbit
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